| 例句 |
racecoursesnounpl. of racecourse an open man-made passageway for waterfell into the racecourse for an abandoned water mill aqueducts, canals, channels, conduits, courses, flumes, raceways, watercourses, waterways millraces, millstreamsfloodways, sluices, sluiceways, spillwaysswashes, tideways, torrentsgutters, troughsrivers, rivulets, streams |